for the fans,s energy they give me. i think this year at the olympics i went out there and when i got there in the heat, there was so much people in the stand that early in the morning. i was like, why -- every championship i've been to it's been like a few hundred people. a few people may come out and watch because it's track and field. but at london, early in the morning, everybody was out, like it was full from the morning session. for me, the energy i got in london was just wonderful. >> i was walking around london and all i could see was people do going like this. >> a lot of that going on. >> is the secret because you jamaicans are flying down every track at the moment, winning everything, is the secret yams? is there something in the jamaican yam? >> i think it may have something to do with yams. i used to have a lot of yams. but i don't eat that much now. i think i had too much when i was young. >> who are your heroes, sporting heroes? >> for me, michael johnson, don kory was one because he was a great runner. i remember watching maurice green, these guys with a lot of energy.